Gyroradius Effects on the Energetic Ions in the Tail Lobes of Comet P/Giacoini-Zinner (GRL 13(4) 1986) Daly, P. W. ; Sanderson, T. R. ; Wenzel, K. -P. ; Cowley, S. W. H. ; Hynds, R. J. ; Smith, E. J. Abstract Publication: Comet Encounters Pub Date: 1998 Bibcode: 1998coen.book..234D